unlike most museums, at madame tussauds, you're invited to touch the exhibits. you call this an interactive attraction. why? >> we encourage our guests to get as close as they want. they can hug, they can kiss the figures. there's plenty of kisses on justin bieber. take as many pictures as you want. it's a lot of fun. >> do you have a favorite? >> johnny depp. >> did you lay one on him? >> i gave him a hug. [ laughs ] >> the exhibits get a lot of personal attention, and that takes a toll. although all of the figures are made in madame tussauds london studio, it's up to the staff here to take care of them. so, early in the morning, before visitors arrive, technicians like emily make the rounds. she checks the hair of heroes like civil-rights champion rosa parks, makes sure eli manning and carmelo anthony are ready for action, fixes brad pitt's tie, and -- oh, yeah -- removes all that lipstick from george clooney's cheeks. >> on a daily basis, the most popular figures, like clooney, brad pitt, johnny depp, they got kissed all over, so they got lipstick on their fa